diff options
Diffstat (limited to 'kernel/arch/x86/include/asm/pvclock.h')
| -rw-r--r-- | kernel/arch/x86/include/asm/pvclock.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/arch/x86/include/asm/pvclock.h b/kernel/arch/x86/include/asm/pvclock.h index 7a6bed5c0..baad72e4c 100644 --- a/kernel/arch/x86/include/asm/pvclock.h +++ b/kernel/arch/x86/include/asm/pvclock.h @@ -76,6 +76,8 @@ unsigned __pvclock_read_cycles(const struct pvclock_vcpu_time_info *src, u8 ret_flags; version = src->version; + /* Make the latest version visible */ + smp_rmb(); offset = pvclock_get_nsec_offset(src); ret = src->system_time + offset; |